sndlock/kirdy.cpp

48 lines
1.3 KiB
C++

#include <iostream>
#include <asio.hpp>
#include <json/json.h>
#include "kirdy.hpp"
Kirdy::Kirdy(asio::string_view host, asio::string_view service)
{
asio::ip::tcp::resolver resolver(io_context);
asio::ip::tcp::resolver::results_type endpoints = resolver.resolve(host, service);
socket = new asio::ip::tcp::socket(io_context);
asio::connect(*socket, endpoints);
}
Kirdy::~Kirdy()
{
delete socket;
}
Json::Value Kirdy::command(Json::Value &request)
{
Json::StreamWriterBuilder builder_w;
std::string request_str = Json::writeString(builder_w, request);
asio::write(*socket, asio::buffer(request_str + "\n"));
std::cout << request_str << std::endl;
std::string reply_str;
std::size_t len = asio::read_until(*socket, asio::dynamic_buffer(reply_str, 1024), '\n');
Json::CharReaderBuilder builder_r;
const std::unique_ptr<Json::CharReader> reader(builder_r.newCharReader());
Json::Value reply;
JSONCPP_STRING err;
if(!reader->parse(reply_str.c_str(), reply_str.c_str() + len, &reply, &err))
std::cerr << "JSON parse error: " << err << std::endl;
return reply;
}
float Kirdy::get_laser_temp()
{
Json::Value json;
json["device_cmd"] = "GetStatusReport";
auto reply = command(json);
return reply["thermostat"]["temperature"].asFloat();
}